Go ahead. Kill him. Make his day.

“If you want to end his misery, you should execute him,” defense lawyer Thomas Ullmann told jurors yesterday in closing arguments for Connecticut home-invasion monster Steven Hayes, in a desperate attempt at reverse psychology to save his client from the death penalty.

Jurors begin today deciding if the career burglar will be put to death for raping and murdering nurse Jennifer Hawke-Petit, 48, and for helping burn alive her daughters, Hayley, 17, and Michaela, 11, three years ago.